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Mariner

Mariner Portfolio holdings

AUM $85.7B
1-Year Est. Return 24.21%
This Fund
S&P 500
This Quarter Est. Return
-0.96%
1 Year Est. Return
+24.21%
3 Year Est. Return
+74.24%
5 Year Est. Return
+87.67%
10 Year Est. Return
+269.13%
AUM
$85.7B
AUM Growth
+$1.66B
Cap. Flow
+$4.07B
Cap. Flow %
4.75%
Top 10 Hldgs %
27.24%
Holding
3,909
New
385
Increased
1,802
Reduced
1,276
Closed
364

Top Buys

Rank Stock Value
1
APO icon
Apollo Global Management
APO
+$274M
2
IEI icon
iShares 3-7 Year Treasury Bond ETF
IEI
+$184M
3
MSFT icon
Microsoft
MSFT
+$172M
4
VEA icon
Vanguard FTSE Developed Markets ETF
VEA
+$170M
5
AGG icon
iShares Core US Aggregate Bond ETF
AGG
+$169M

Top Sells

Rank Stock Value
1
IEF icon
iShares 7-10 Year Treasury Bond ETF
IEF
+$179M
2
TMUS icon
T-Mobile US
TMUS
+$162M
3
USD icon
ProShares Ultra Semiconductors
USD
+$135M
4
NOW icon
ServiceNow
NOW
+$128M
5
ABT icon
Abbott
ABT
+$126M

Sector Composition

Rank Sector Weight
1 Technology 21.37%
2 Financials 7.66%
3 Healthcare 5.22%
4 Consumer Discretionary 5.2%
5 Industrials 4.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CASS icon
2726
Cass Information Systems
CASS
$699M
$357K ﹤0.01%
8,103
+1,155
+17% +$50.9K
BBUC
2727
Brookfield Business Corp Class A Subordinate Voting Shares
BBUC
$6.45B
$356K ﹤0.01%
11,257
-842
-7% -$28.9K
WHR icon
2728
Whirlpool
WHR
$2.33B
$356K ﹤0.01%
+6,597
New +$484K
ZBH icon
2729
Zimmer Biomet
ZBH
$17.7B
$355K ﹤0.01%
3,924
-70
-2% -$6.42K
DFIN icon
2730
Donnelley Financial Solutions
DFIN
$1.17B
$355K ﹤0.01%
+7,527
New +$369K
HNST icon
2731
The Honest Company
HNST
$412M
$354K ﹤0.01%
120,451
+25,314
+27% +$65.1K
XTEN icon
2732
BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF
XTEN
$1.03B
$352K ﹤0.01%
7,684
+88
+1% +$4.08K
FAPR icon
2733
FT Vest US Equity Buffer ETF April
FAPR
$1.26B
$352K ﹤0.01%
7,829
-255
-3% -$11.4K
CABO icon
2734
Cable One
CABO
$214M
$351K ﹤0.01%
3,851
+959
+33% +$93.8K
ICLR icon
2735
Icon
ICLR
$13.2B
$351K ﹤0.01%
3,176
-702
-18% -$95.9K
FDNI icon
2736
First Trust Dow Jones International Internet ETF
FDNI
$33.7M
$351K ﹤0.01%
12,895
+4,647
+56% +$144K
NRP icon
2737
Natural Resource Partners
NRP
$1.3B
$351K ﹤0.01%
+2,901
New +$344K
AES icon
2738
AES
AES
$10.6B
$351K ﹤0.01%
24,901
-27,819
-53% -$414K
TTEK icon
2739
Tetra Tech
TTEK
$8.06B
$351K ﹤0.01%
11,640
-86,566
-88% -$3.06M
PSN icon
2740
Parsons
PSN
$6.44B
$350K ﹤0.01%
6,465
+506
+8% +$32.3K
MMS icon
2741
Maximus
MMS
$3.08B
$350K ﹤0.01%
5,453
-11,138
-67% -$904K
QUS icon
2742
State Street SPDR MSCI USA StrategicFactors ETF
QUS
$1.51B
$349K ﹤0.01%
2,033
– –
DNLI icon
2743
Denali Therapeutics
DNLI
$3.69B
$348K ﹤0.01%
+18,131
New +$361K
FMAT icon
2744
Fidelity MSCI Materials Index ETF
FMAT
$579M
$348K ﹤0.01%
6,038
+137
+2% +$8.03K
MINO icon
2745
PIMCO Municipal Income Opportunities Active ETF
MINO
$718M
$347K ﹤0.01%
7,691
-535
-7% -$24.4K
DC icon
2746
Dakota Gold
DC
$620M
$347K ﹤0.01%
68,738
-32,522
-32% -$192K
ATRO icon
2747
Astronics
ATRO
$3.55B
$347K ﹤0.01%
6,241
-3,693
-37% -$223K
OLED icon
2748
Universal Display
OLED
$3.7B
$346K ﹤0.01%
3,773
-5,557
-60% -$615K
LOUP icon
2749
Innovator Deepwater Frontier Tech ETF
LOUP
$205M
$346K ﹤0.01%
5,021
+417
+9% +$31.6K
ATMU icon
2750
Atmus Filtration Technologies
ATMU
$4.39B
$344K ﹤0.01%
6,072
-2,003
-25% -$118K
108 109
110
111 112

Similar funds

BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return
Squarepoint
Squarepoint New York $85.1B AUM 20.93% 1-Year Est. Return
Belvedere Trading
Belvedere Trading Chicago, Illinois $84.4B AUM 52.68% 1-Year Est. Return
Sanders Capital
Sanders Capital West Palm Beach, Florida $83.9B AUM 37.89% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return
US Bancorp
US Bancorp Minneapolis, Minnesota $82.4B AUM 19.69% 1-Year Est. Return
Focus Partners Wealth
Focus Partners Wealth Boston, Massachusetts $89.9B AUM 20.5% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Mariner's Q1 2026 Portfolio in Review

As of Q1 2026, Mariner held 3,909 positions worth $85.7B, up 2% from $84B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

Mariner deployed $4.07B of net new capital in Q1 2026, opening 385 new positions and adding to 1,802 existing holdings. Its largest new stake was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 23% a quarter earlier, followed by Financials and Healthcare.

On the sell side, the largest reduction was iShares 7-10 Year Treasury Bond ETF, an estimated $179M trimmed.

  • Mariner's largest Q1 2026 buy was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.
  • Mariner added most to Apollo Global Management in Q1 2026, an estimated $274M increase.
  • Mariner's biggest Q1 2026 reduction was iShares 7-10 Year Treasury Bond ETF, cutting an estimated $179M.
  • Mariner fully exited Exact Sciences in Q1 2026, selling an estimated $11.1M.
  • Mariner's ten largest holdings make up 27% of its $85.7B portfolio in Q1 2026.
  • Mariner opened 385 new positions and closed 364 in Q1 2026.
  • Mariner's portfolio value rose 2% quarter-over-quarter to $85.7B.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.